see trending topics show what’s happening now around the world. View trends, browse your interests and see suggested users in several categories, including fashion, entertainment and travel, or search to find out what people are saying about topics you care about, such as politics or big sporting events.

Linkedin
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LinkedIn gives you access to your professional network from your Android device.
Get LinkedIn profile information about the people you're meeting with, read the latest industry news, stay updated on your network, and connect with over 150 million professionals around the world.

Wikipedia:
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Wikipedia is the free encyclopedia containing the most comprehensive and widely used reference work humans have ever

putitonline finder brings it all together in one app:

Find any company or person ,Using the power of Wiki, LinkedIn ,facebook and twitter.

you can now find details of millions of companies and individuals all over the world using one app. If the business or individual person is registered on Wiki, Linkedin , twitter or facebook , putitonline finder will find them.
This app is very powerful , it uses the power of facebook,linkedin ,twitter and wiki to present the info you need to find.
Its a great business tool to have in the palm of your hands.